Add endpoints

[aquateen]

Adds the following endpoints:

• /candidates/:id/comments
• /candidates/:id/disqualify
• /candidates/:id/revert
• /candidates/:id/copy
• /candidates/:id/relocate
• /candidates/:id/move
• /candidates/:id/ratings

[coveralls]

Coverage increased (+4.4%) to 96.154% when pulling 4ae08fb on aquateen:add_endpoints into 8b01ebd on emq:master.

[coveralls]

Coverage increased (+4.4%) to 96.154% when pulling 4ae08fb on aquateen:add_endpoints into 8b01ebd on emq:master.

[coveralls]

Coverage increased (+4.4%) to 96.154% when pulling 4ae08fb on aquateen:add_endpoints into 8b01ebd on emq:master.

[rwojsznis]

Hello @aquateen! Huge thanks for this PR! ❤️

I'm wondering about that member_id.to_s calls - docs are stating it have to be a string https://workable.readme.io/docs/comment-on-candidate - I don't really like automagically casting anything in API clients (bite me in the a$$ few times already) so let me update this after the merge :).

If you could tell me when workable can return 2xx code with an empty body - that also would be great to know.

I will unify the coding style a little bit as well, update readme and release the new version (within like ~2 days I think)

[aquateen]

1. That sounds good re: member_id
2. The post requests seem to a bit inconsistent with the responses. Some endpoints return an empty body, others don't. Also different successful status codes.
   • Notice the example response for the comment endpoint returns no body: https://workable.readme.io/docs/comment-on-candidate
   • The relocate endpoint does return a body: https://workable.readme.io/docs/relocate-candidates

Thank YOU for this gem!